1998-2000 Chevrolet Tahoe 5.7L Custom Tuning Tune Installation Option (Scan cable and Traditional tune ONLY):Blemished PCM (>5% paint missing) [+$75] Gains vary depending on year

Gains vary depending on year

Other improvements range from improved idle smoothness to better automatic AND manual shift performance

depending on vehicle condition and configuration

Full 2007+ GM 6 and 8 speed transmission tuning support (2017+ 8 or 10 speed transmissions excluded)

1998-2000 Chevrolet Tahoe 5.7L Custom Tuning Tune Installation Option (Scan cable and Traditional tune ONLY):Blemished PCM (>5% paint missing) [+$75] Gains vary depending on yearBlack Bear Performance offers three different levels of custom tuning for your 1999 2000 Chevrolet Tahoe 5. 7L. From bone stock to heavily modified, we can help your engine perform as optimally as possible. We tend to see power gains in the 15 20hp 20 25ft lbs range and 1 2mpg improvement, depending on vehicle condition and configuration. Other improvements range from improved idle smoothness to better shift performance, improved towing and improved